Add 75/20 and 40/6
1st number: 3 15/20, 2nd number: 6 4/6
75/20 + 40/6 is 125/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
75/20 = 75 × 3/20 × 3 = 225/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
40/6 = 40 × 10/6 × 10 = 400/60 - Add the two like fractions:
225/60 + 400/60 = 225 + 400/60 = 625/60 - 625/60 simplified gives 125/12
- So, 75/20 + 40/6 = 125/12
In mixed form: 105/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/20+80/6 75/40+40/6 75/20+40/12 75/60+40/6 75/20+40/18 75/20+40/30 75/20+40/42